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Check a heat pump’s certified ratings

Type the outdoor unit’s model number from its nameplate, or the AHRI reference number from your quote. You will see its ratings, how it compares with others of its size, and the rebate standards it meets.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Partial model numbers work. AHRI numbers find the pairing listed for each model.

Ductless, Up to 1.5 tons: every model, highest efficiency on a 5°f day first

One size class at a time, so the numbers compare directly.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 2026QOS18H2BM0Awith ductless indoor unit QHW18H2UZRAInnovair1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  2. 2027QOS18H2BM5Awith ductless indoor unit QHW18H2UZRAInnovair1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  3. 2028MAJESTIC-12K110V-S2with ductless indoor unit MAJESTIC-12K110V-S2K&A1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  4. 2029KWSM-12IR32HS17LPwith ductless indoor unit KWSM-12IR32HS17LPKANIONco1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  5. 2030KOIE12H1-31Xwith ductless indoor unit KIWE12H1-31XKLIMAIRE1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  6. 2031KKCA-18EX2-SCUwith ductless indoor unit KKCA-18WA2-SCUKwiik1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  7. 2032LI012HO-210P332with ductless indoor unit LI012HI-210P332Lennox1 ton · 12,000 Btu/h · DuctlessBelow the middle1.90
  8. 2033LI012HO-210V332with ductless indoor unit LI012HI-210V332Lennox1 ton · 12,000 Btu/h · DuctlessBelow the middle1.90
  9. 2034LI018HO-210P332with ductless indoor unit LI018HI-210P332Lennox1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  10. 2035LEO9K30S24V115H1with ductless indoor unit LEO9K30S24V115H1LEO AIR1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  11. 2036LEO9K30S24V220H1with ductless indoor unit LEO9K30S24V220H1LEO AIR1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  12. 2037LMSHP-12BT/R32/17SR-10Vwith ductless indoor unit LMSHP-12BT/R32/17SR-10VLEVIOR1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  13. 2038KUSAL151Awith ductless indoor unit KNSAL151ALG1.5 tons · 15,000 Btu/h · DuctlessBelow the middle1.90
  14. 2039KUSAL181Awith ductless indoor unit KNSAL181ALG1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  15. 2040L01-CS-09K2V-20S-Owith ductless indoor unit L01-CS-09K2V-20S-WC-ILUORISE1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  16. 2041L01-CS-12K2V-20S-Owith ductless indoor unit L01-CS-12K2V-20S-WC-ILUORISE1 ton · 12,000 Btu/h · DuctlessBelow the middle1.90
  17. 2042L01-CS-18K2V-20S-Owith ductless indoor unit L01-CS-18K2V-20S-WC-ILUORISE1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  18. 2043L01-DU-09K2V-20S-Owith ductless indoor unit L01-DU-09K2V-20S-WC-ILUORISE1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  19. 2044L01-DU-12K2V-20S-Owith ductless indoor unit L01-DU-12K2V-20S-WC-ILUORISE1 ton · 12,000 Btu/h · DuctlessBelow the middle1.90
  20. 2045L01-DU-18K2V-20S-Owith ductless indoor unit L01-DU-18K2V-20S-WC-ILUORISE1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  21. 2046L01-FC-18K2V-20S-Owith ductless indoor unit L01-FC-18K2V-20S-WC-ILUORISE1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  22. 2047L02-12K1V-17S-P-Owith ductless indoor unit L02-12K1V-17S-WC-ILUORISE1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  23. 2048DMLHT1W-09R4BBPH2with ductless indoor unit DMLHT1G-09R4BBPH2MANASTIN1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  24. 2049DMLHT1W-09R4CBPH2with ductless indoor unit DMLHT1G-09R4CBPH2MANASTIN1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  25. 2050TAC12CHSAG1R32O17with ductless indoor unit TAC12CHSAG1R32I17Manuflow1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What size is my system?

Tons and Btu

A heat pump’s size is its rated cooling output, in Btu per hour. Installers talk in tons: one ton is 12,000 Btu per hour, so a 3-ton unit is about 36,000.

Where to find yours: the nameplate sticker on the outdoor unit lists the model number. Many model numbers include the size in thousands of Btu, such as 24 (2 tons), 36 (3 tons) or 48 (4 tons). Your quote or AHRI certificate also lists it. Look up a model number

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Size classes used here

  • Up to 1.5 tonsunder 21,000 Btu/h
  • 2 tons21,000–26,999 Btu/h
  • 2.5–3 tons27,000–38,999 Btu/h
  • 3.5–4.5 tons39,000–56,999 Btu/h
  • 5 tons and up57,000 Btu/h and up

The advanced view lists every model with filters for brand, standard, size and type, sortable by any rating.

Open the advanced view